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Finding the Fourth Proportional to 60,468.85, 90,703.47 and 18,349.29

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Solution

The fourth proportional to 60,468.85, 90,703.47 and 18,349.29 is: 27,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,468.85 : 90,703.47 = 18,349.29 : x
  2. Step 2: Convert to fraction form
    60,468.85/90,703.47 = 18,349.29/x
  3. Step 3: Cross multiply
    60,468.85x = 90,703.47 × 18,349.29
  4. Step 4: Simplify right side
    60,468.85x = 1,664,344,275.04
  5. Step 5: Solve for x
    x = 1,664,344,275.04/60,468.85
  6. Step 6: Final answer
    x = 27,523.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.